Shimano SL-Tx30 Tourney 6-Speed Right & Left (Friction) Thumb Shifter Set

Bought this to replace grip shifter on step-daughters bike. Installed real easy, works way better then the old grip shifter she had on. At least now she is able to shift easily between all the gears. Highly recommend this product.

Replaced the kids grip shifts with these, easy and worked great!

Exactly as described, easy to setup and work well.

If you're here looking at this product you're most likely looking for a replacement for a grip shifter on a bike that your child was having difficulty using. This shift lever right here is your solution.First some back story on the problem. The problem isn't that your grip shifter is crappy, its that the spring in the rear derailleur is too strong for little kids hands. As you get into the lower gears you're putting more and more tension on the derailleur thus making it harder to get into the lower gears. This shift lever gives your child a mechanical advantage over the spring so they can get into the lower gears easier. You can still feel a bit of tension building up as you go to the lower gears but my daughter has no problem with it at all.In addition to it solving the shifting problem mentioned, it seems durable and has withstood the abuse of my daughter.Installation is fairly easy, take pics of everything first so you can route the cabling the way it was before.You WILL have to adjust the rear derailleur for the new shift lever. Don't let this intimidate you, there are numerous videos on YouTube showing you how to do this. Prior to replacing this lever I had never adjusted a derailleur before. 5 minutes on YouTube and I was able to do it AND adjust the derailleurs of all my other bikes.Something I didn't see mentioned in other reviews, you will need to buy new handlebar grips for the bike. Bikes with grip shifters come with shorter grips because the shifter is part of the grip.

Ok forgetting about how this is an older shifter, if you need a 6 speed, you have limited choices. Daughters 2017 trek pre caliber came with Shimano grip shift. This is a bike for small girls 6 to 9 years old.I had trouble shifting with it and bike shop said that's all they can do to make it easier. Gear 1 and 2 near impossible to get to.A little internet research found these as being easier for kids.20 minute install, re used the plastic covers from previous shifter and daughter is happily shifting up and down without issue.I feel so much better for her and now she can better enjoy her bike.Why trek is installing difficult grip shifters on a kid bike is beyond me. Especially their high end model, 'engineered for kids'. This part probably costs them wholesale as much or less than the grips, so it's not cost.All I can say is don't hesitate. Do it. You need a phillips head, 2.5mm wrench, 10mm wrench and wire cutters.